<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登入</title>
</head>
<body>
<form action="/login" method="post">
    username:<input name="username"><br/>
    password:<input name="password" type="password">
    <input type="submit" value="login">
</form>
</body>
</html>